<!-- extends表明此页面继承自 base.html 文件 -->
{% extends "base.html" %}
{% load staticfiles %}



<!-- 写入 base.html 中定义的 title -->
{% block title %}
    首页
{% endblock title %}

<!-- 写入 base.html 中定义的 content -->
{% block content %}


    <!-- 定义放置文章标题的div容器 -->
    <div class="container">

        <nav aria-label="breadcrumb">
            <ol class="breadcrumb">
                <li class="breadcrumb-item">
                    <a href="{% url 'article:article_list' %}?search={{ search }}">
                        最新
                    </a>
                </li>
                <li class="breadcrumb-item">
                    <a href="{% url 'article:article_list' %}?order=total_views&search={{ search }}">
                        最热
                    </a>
                </li>
            </ol>
        </nav>




        <!-- 新增，搜索提示语 -->
        {% if search %}
            {% if articles %}
                <h4><span style="color: red">"{{ search }}"</span>的搜索结果如下：</h4>
                <hr>
            {% else %}
                <h4>暂无<span style="color: red">"{{ search }}"</span>有关的文章。</h4>
                <hr>
            {% endif %}
        {% endif %}


        <div class="col-auto mr-auto">
                <form class="form-inline" >
{#                    <label class="sr-only">content</label>#}
                    <input type="text"
                        class="form-control mb-2 mr-sm-2"
                        name="search"
                        placeholder="搜索文章..."
{#                        required#}
                    >
                </form>
        </div>




        <div class="row mt-2 ml-1 mr-1">

            {% for article in articles %}
            <!-- 文章内容 -->
{#            <div class="col-4 mb-4">#}
            <div class="col-sm-8 col-md-6 mb-4"">
            <!-- 卡片容器 -->
                <div class="card h-100">
                    <!-- 标题 -->
                    <h4 class="card-header">{{ article.title }}</h4>
                    <!-- 摘要 -->
                    <div class="card-body">
{#                        有摘要属性 abstract 就展示摘要, 没有就展示 body 的 前100个字符#}
                        {%  if article.abstract %}
                            <p class="card-text">{{ article.abstract|slice:'100' }}...</p>
                        {% else %}
                            <p class="card-text">{{ article.body|slice:'100' }}...</p>
                        {% endif %}
                    </div>
                    <!-- 注脚 -->

                    {#                <div class="card-footer">#}
                    {#                    <a href="#" class="btn btn-primary">阅读本文</a>#}
                    {#                </div>#}
                    <div class="card-footer">
                        <!-- 同样改写 href -->
                        <a href="{% url 'article:article_detail' article.id %}" class="btn btn-primary">
                            阅读本文
                        </a>

                        <!-- 显示浏览量 -->
                        <span>
                            <small class="col align-self-end" style="color: gray;">
                                浏览: {{ article.total_views }}
                            </small>
                        </span>

                    </div>

                </div>
            </div>
            {% endfor %}

        </div>


        <!-- 页码导航 -->
        <div class="pagination row">
            <div class="m-auto">
                <span class="step-links">

{#                    <a href="?page=1&order={{ order }}&search={{ search }}" class="btn btn-success">#}

                    <!-- 如果不是第一页，则显示上翻按钮 -->
                    {% if articles.has_previous %}
                        <a href="?page=1&order={{ order }}&search={{ search }}" class="btn btn-success"
                           class="btn btn-success">
                            &laquo; 1
                        </a>

                        <span>...</span>

                        <a href="?page={{ articles.previous_page_number }}&order={{ order }}&search={{ search }}"
                           class="btn btn-secondary">
                            {{ articles.previous_page_number }}
                        </a>
                    {% endif %}

                    <!-- 当前页面 -->
                    <span class="current btn btn-danger btn-lg">
                        {{ articles.number }}
                    </span>

                    <!-- 如果不是最末页，则显示下翻按钮 -->
                    {% if articles.has_next %}
                        <a href="?page={{ articles.next_page_number }}&order={{ order }}&search={{ search }}"
                           class="btn btn-secondary">
                            {{ articles.next_page_number }}
                        </a>

                        <span>...</span>

                        <a href="?page={{ articles.paginator.num_pages }}&order={{ order }}&search={{ search }}"
                           class="btn btn-success">
                            {{ articles.paginator.num_pages }} &raquo;
                        </a>
                    {% endif %}
                </span>
            </div>
        </div>


    </div>

{% endblock content %}